Quiz
Mobility Chapter 5
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Perguntas do quiz (18)
12. Which type of network usually consists of just a few devices that are connected together temporarily for the purposes of sharing files or gaming or Internet connection sharing?
- AA. Infrastructure
- BB. Ad hoc
- CC. Peer-to-peer
- DD. Centralized
2 3. Which IEEE standard covers Bluetooth networking?
- AA. 802.11
- BB. 802.15
- CC. 802.15.4
- DD. 802.11b
3 4. You are connecting your tablet directly to a friend’s laptop wirelessly to share some files. Which term describes the network you are using in this ad-hoc mode network?
- AA. IBSS
- BB. ESSID
- CC. SSID
- DD. BSSID
4 5. Which of the following is a U.S. Government agency controlling the allocation and use of radio frequencies and technologies in the United States?
- AA. Wi-Fi Alliance
- BB. Federal Communications Commission (FCC)
- CC. IEEE
- DD. Federal Trade Commission (FTC)
5 6. All of the following are PHY signaling technologies used in 802.11 wireless networks EXCEPT:
- AA. Frequency Hopping Spread Spectrum (FHSS)
- BB. Orthogonal Frequency Division Multiplexing (OFDM)
- CC. Time Hopping Spread Spectrum (THSS)
- DD. Direct Sequence Spread Spectrum (DSSS)
6 7. Which of the following IEEE standards operates in the 2.4 GHz Industrial, Scientific, and Medical (ISM) range, and has a throughput of about 11 Mbps?
- AA. 802.11b
- BB. 802.11g
- CC. 802.11ac
- DD. 802.11n
78. Which technology uses Spatial Division Multiplexing (SDM), and is found in IEEE 802.11n and ac technologies?
- AA. Direct Sequence Spread Spectrum (DSSS)
- BB. Frequency Hopping Spread Spectrum (FHSS)
- CC. Orthogonal Frequency Division Multiplexing (OFDM)
- DD. Multiple-Input Multiple-Output (MIMO)
8 9. Which wireless security technology uses 104-bit keys with 24-bit initialization vectors?
- AA. WPA
- BB. WEP
- CC. WPA2
- DD. EAP
911. How many bits is a TKIP initialization vector?
- AA. 32-bit
- BB. 24-bit
- CC. 48-bit
- DD. 128-bit
1012. What is the 802.1X term for a wireless client device?
- AA. User
- BB. Authenticator
- CC. Applicant
- DD. Supplicant
1113. Which of the following terms refers to the ability of the wireless network to handle increasing numbers of users and devices as well as the workload put on the wireless network itself?
- AA. Capacity
- BB. Coverage
- CC. Throughput
- DD. Bandwidth
1214. All of the following are factors affecting wireless coverage EXCEPT:
- AA. Distance
- BB. Obstacles
- CC. Encryption
- DD. Placement
1315. All of the following factors could affect transmission power levels on an access point EXCEPT:
- AA. Manufacturer’s restrictions
- BB. Authentication protocol
- CC. Local laws
- DD. Type of antenna
1416. Which of the following terms refers to the amount of power received from a wireless transmission by wireless LAN client devices?
- AA. Receive signal strength
- BB. Signal-to-noise ratio
- CC. RF noise
- DD. Receive power
1517. All of the following are potential sources of RF noise and interference, EXCEPT:
- AA. Microwave ovens
- BB. Cordless telephones
- CC. Pacemakers
- DD. Industrial machinery
1618. Which device can examine different RF characteristics to determine signal strength, RF noise, SNR, and other factors that affect the quality of wireless network transmission and reception?
- AA. Wireless protocol analyzer
- BB. Wireless sniffer
- CC. ZigBee transmitter
- DD. Spectrum analyzer
1719. Which type of interference results from two 802.11 devices using the same frequency band?
- AA. Adjacent channel interference
- BB. Co-channel interference
- CC. Non-wireless interference
- DD. Locked-frequency interference
1820. What type of documentation is completed after the site survey and usually contains an analysis and recommendations for the wireless network?
- AA. Site survey report
- BB. Site survey artifact
- CC. Certification and Accreditation package
- DD. Architecture diagram
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- CIS Cloud Quiz sobre Mobility Chapter 5, criado por . . em 01-05-2017.
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